Basic Operations; Turning The Power On/Off; Auto Power Off Function; Selecting Operations - Yamaha PSR-I400 Owner's Manual

Basic Operations

Turning the Power On/Off

Turn down the MASTER VOLUME control to "MIN"
then press the [ ] (Standby/On) switch to turn on the
power. While playing the keyboard, adjust the MAS-
TER VOLUME control. To turn off the power, press
the [ ] (Standby/On) switch again for a second.
CAUTION
• When using an AC adaptor, even when the power is off, a
small amount of electricity is still being consumed by the
instrument. When you are not using the instrument for a
long time, make sure to unplug the AC adaptor from the
wall AC outlet.

Auto Power Off Function

To prevent unnecessary power consumption, this
instrument features an Auto Power Off function that
automatically turns the power off if the instrument is
not operated for a specified period of time. The amount
of time that will elapse before the power is automati-
cally turned off is set by default to 30 minutes.
 To disable the Auto Power Off function:
Turn off the power, then press the [
switch to turn on the power while holding down the
lowest key.
 To set the time that elapses before Auto
Power Off is executed:
Press the [FUNCTION] button, press the CATEGORY
[+] or [-] button several times until "Auto Power Off"
appears then select the desired value.
Settings: OFF, 5, 10, 15, 30, 60, 120
Default value: 30
NOTE
• Generally, the data and settings are maintained even when the
power is turned off. For details, see page 32.
NOTICE
• Depending on the instrument status, the power may not
turn off automatically, even after the elapse of the specified
period of time. Always turn off the power manually when
the instrument is not in use.
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PSR-I400 Owner's Manual
• When the instrument is not operated for a specified period
of time while connected to an external device such as an
amplifier, speaker or computer, make sure to follow the
instructions in the Owner's Manual to turn off the power to
the instrument and the connected devices, in order to pro-
tect the devices from damage. If you do not want the
power to turn off automatically when a device is con-
nected, disable Auto Power Off.

Selecting Operations

Before operating the instrument, it may be helpful to
familiarize yourself with the basic controls below that
are used to select items and change values.
 Dial
Rotate the dial clockwise to
increase the value, or counter-
clockwise to decrease the
value.
 Number buttons
Use the Number buttons to directly enter an item or
value. For numbers that start with one or two zeroes,
the first zeroes can be omitted.
Example: Selecting Voice 003,
Harmnum3.
] (Standby/On)
 [-/NO] and [+/YES] buttons
Press the [+/YES] button briefly to increase the value by
1, or press the [-/NO] button briefly to decrease the value
by 1. Press and hold either button to continuously
increase or decrease the value in the corresponding direc-
tion.
 CATEGORY buttons
Use these buttons to jump to the
first Voice, Style, or Song in the
next or previous Category, and call
up the next or previous Function
sequentially.
Press number buttons
[0], [0], [3].
Press briefly to Press briefly to
decrease. increase.
Decrease Increase